w83977tf Winbond Electronics Corp America, w83977tf Datasheet - Page 59

• Manufacturer Part Number: w83977tf
• Description: Winbond I/o
• Manufacturer: Winbond Electronics Corp America

TABLE 5-1-2 PARALLEL PORT CONNECTOR AND PIN DEFINITIONS
5.2
TABLE 5-2 PRINTER MODE AND EPP REGISTER ADDRESS
Notes:
1. These registers are available in all modes.
2. These registers are available only in EPP mode.
CONNECTOR
HOST
A2
0
0
0
0
0
1
1
1
1
10
11
12
13
14
15
16
17
Enhanced Parallel Port (EPP)
1
2
3
4
5
6
7
8
9
PIN NUMBER OF
A1
0
0
1
1
1
0
0
1
1
W83977TF
36
31
30
29
28
27
26
24
23
22
21
19
18
35
34
33
32
A0
0
1
0
0
1
0
1
0
1
ATTRIBUTE
PIN
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
O
O
O
O
I
I
I
I
I
Data port (R/W)
Printer status buffer (Read)
Printer control latch (Write)
Printer control swapper (Read)
EPP address port (R/W)
EPP data port 0 (R/W)
EPP data port 1 (R/W)
EPP data port 2 (R/W)
EPP data port 2 (R/W)
nACK
BUSY
SLCT
nAFD
nERR
nSLIN
nSTB
nINIT
- 50 -
SPP
PD0
PD1
PD2
PD3
PD4
PD5
PD6
PD7
PE
ATTRIBUTE
REGISTER
PIN
OD
OD
OD
OD
OD
OD
OD
OD
OD
OD
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I
I
I
I
I
Publication Release Date: March 1998
DSKCHG2
EXT2FDD
RDATA2
TRAK02
INDEX 2
HEAD2
STEP 2
MOA 2
RWC2
MOB2
DSA2
DSB2
WP2
WD2
WE2
DIR2
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W83977TF
ATTRIBUTE
PRELIMINARY
PIN
OD
OD
OD
OD
OD
OD
OD
OD
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I
I
I
I
I
Revision 0.62
NOTE
DSKCHG2
RDATA2
1
1
1
1
2
2
2
2
2
EXTFDD
TRAK02
INDEX 2
HEAD2
STEP 2
RWC2
MOB2
DSB2
DIR2
WP2
WD2
WE2
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